Formula
COMPUESTOS DE  OSMIO

Code

Metal Contained approx.

CAS

Molecular Mass

Color

Ammonium hexachloroosmate(IV)

(NH4)2[OsCl6]

901

43%

 12125-08-5  12125-08-5

438.99

red-black

Osmium(III) chloride hydrate

OsCl3 · nH2O

902

55%

 14996-60-2  14996-60-2

296.56 a.c.

black

Osmium(VIII) oxide

OsO4

903

75%

 20816-12-0  20816-12-0

254.20

yellow

Osmium(VIII) oxide solution

OsO4

904

up to 3 %

 20816-12-0  20816-12-0

yellow

Potassium hexachloroosmate(IV)

K2[OsCl6]

905

39%

 16871-60-6  16871-60-6

481.12

red

Potassium tetrahydroxodioxoosmate(VI) “Potassium Osmate”

K2[Os(O)2(OH)4]

906

52%

 10022-66-9  10022-66-9

368.43

violet

Sodium hexachloroosmate(IV) hydrate

Na2[OsCl6]· nH2O

907

39%

1307-81-9

448.90 a.c.

red-black